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Platinenabbildungen und Schaltpl
ä
ne / Layout of PCBs and Circuit Diagrams
THARUS 38
–
LCD 38-9210 TOP
3 - 18
GRUNDIG Service
C14
104
GND
105
C20
474
C16
105
C15
GND
R6 150K
220uF 25V
C1
GND
C3 225
C4
225
D7
5.6V
C8
473
GND
C24
473
D2
5.6V
R4
10K
R19
36k
1.8k
R22
GND
GND
GND
R7 1.8k
GND
CN3
18p 3kV
C6
CN2
10K
R8
103
C22
180K
R5
103
C19
R25
10K
R14
10K
0
R23
18k
R18
GND
D3
DAN217
18p 3kV
C34
GND
C32
225
C11
225
GND
GND
D1 5.1V
F1
3A 125V
R15 33k
GND
152
C23
105
C18
C35
473
C29
473
GND
C21
105
R10 150K
51K
R9
C33
225
C31
225
C30
225
R20
10K
GND
GND
DAN217
D4
R21
1M
C13
225
C12
225
C9
225
R12
1M
Q2
KRC407
R3
1K (3216)
GND
C10
271
SI6544DQ
U6
5.6V
D11
5.6V
D6
R24
1.2k
R17
0
R26
1.2k
Q1
KRA307
3
4
5
6
9
1
7
8
10
2
CN1
TO LCD DISPLAY DRIVER
M8
CN91M
Dim
GND
GND
On/Off
GND
GND
12V
12V
U5
SI6544DQ
4
2
5
3
1
8
4
2
5
3
1
8
SI6544DQ
U4
U2
SI6544DQ
11
12
13
14
15
16
17
18
19
20
CTIMR
OVP
ENA
SST
VDDA
GNDA
REF
RT1
FB
CMP
NDRV_B
PDRV_A
CT
RT
PWRGND
LCT
DIM
LPWM
PDRV_C
NDRV_D
1
2
3
4
5
6
7
8
9
10
U3
OZ960
TO DOWN LIGHT
TO UPPER LIGHT
44
44
45
45
46
47
46
47
C
Konverter / Converter
(C)
Reference
Block Diagrams ....... 3-1
Oscillograms ......... 3-19
Converter (C) .......... 3-18
Keyboard (KB) ........ 3-15
LED Board (LED) .... 3-16
Main Board ............... 3-3
– M1 .......................... 3-6
– M2 .......................... 3-7
– M3 .......................... 3-8
– M4 .......................... 3-9
– M5 ........................ 3-10
– M6 ........................ 3-11
– M7 ........................ 3-12
– M8 ........................ 3-13
– M9 ........................ 3-14
– M10 ...................... 3-15
Tuner Board (TU) .... 3-16